Looking for aftermarket parts to modify or upgrade your 1977 Mercury Comet with differentials? At Tunersports.com we carry a huge selection of the top name brand performance differential parts and accessories for your Comet.
Whether you have a 1977 Mercury Comet in Base trim we have you covered. We have 29 differentials available to mod your Comet. All parts have free shipping to the Continental US 48 States.
IN STOCK - DROPSHIPS YGLF8-28The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker For Ford 8in w/ 28 Spline Axles 1971-1977 Mercury Comet Base $899.89 SALE VIEW PRICE IN CART |
IN STOCK - DROPSHIPS YGLF8-31The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker For Ford 8in w/ 31 Spline Axles 1971-1977 Mercury Comet Base $899.89 SALE VIEW PRICE IN CART |
IN STOCK - DROPSHIPS YGLF9-28The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker For Ford 9in w/ 28 Spline Axles 1971-1977 Mercury Comet Base $921.89 SALE VIEW PRICE IN CART |
IN STOCK - LOW YGLF9-31The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker For Ford 9in w/ 31 Spline Axles 1971-1977 Mercury Comet Base $899.89 SALE VIEW PRICE IN CART |
IN STOCK - DROPSHIPS YGLF9-31-LBThe Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker For Ford 9in w/ 31 Spline Axles / Fits Load Bolt Housing 1971-1977 Mercury Comet Base $964.89 SALE VIEW PRICE IN CART |
IN STOCK - DROPSHIPS YGLF9-31-RACEThe Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker For Ford 9in w/ 31 Spline Axles / Racing Design 1971-1977 Mercury Comet Base $1,180.89 SALE VIEW PRICE IN CART |
IN STOCK - DROPSHIPS YGLF9-35The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker For Ford 9in w/ 35 Spline Axles 1971-1977 Mercury Comet Base $899.89 SALE VIEW PRICE IN CART |
IN STOCK - DROPSHIPS YGLF9-35-LBThe Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker / Ford 9in w/ 35 Splines / For Use w/ Load Bolt Dropout 1971-1977 Mercury Comet Base $969.89 SALE VIEW PRICE IN CART |
IN STOCK - DROPSHIPS YGLF9-35-RACEThe Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker For Ford 9in Diff w/ 35 Spline Axles / Racing Design 1971-1977 Mercury Comet Base $1,147.89 SALE VIEW PRICE IN CART |
IN STOCK - DROPSHIPS YGLF9-35-RACE-LBThe Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker For Ford 9in Diff w/ 35 Spline Axles / Racing Design / For Load Bolt D/O 1971-1977 Mercury Comet Base $1,153.89 SALE VIEW PRICE IN CART |
IN STOCK - DROPSHIPS YP MINSF9-28Mini spools are a low-cost traction option for vehicles looking for full-time lockup.... Yukon Gear Mini Spool For Ford 9in w/ 28 Spline Axles 1971-1977 Mercury Comet Base $58.89 SALE VIEW PRICE IN CART |
IN STOCK - DROPSHIPS YP MINSF9-31Mini spools are a low-cost traction option for vehicles looking for full-time lockup.... Yukon Gear Mini Spool For Ford 9in w/ 31 Spline Axles 1971-1977 Mercury Comet Base $57.89 SALE VIEW PRICE IN CART |
IN STOCK - DROPSHIPS SL F9-28-31USA Standard Spartan Locker For Ford 9in / 28 or 31 Spline 1971-1977 Mercury Comet Base $524.89 SALE VIEW PRICE IN CART |
IN STOCK - DROPSHIPS SL XP-F9-LUSA Standard Spartan Locker 9in Ford Spartan Locker Cross Pin / Long 1971-1977 Mercury Comet Base $51.51 SALE VIEW PRICE IN CART |
IN STOCK - DROPSHIPS SL XP-F9-SUSA Standard Spartan Locker 9in Ford Spartan Locker Cross Pin / Short 1971-1977 Mercury Comet Base $38.09 SALE VIEW PRICE IN CART |
IN STOCK - DROPSHIPS SL XP-F9-XSUSA Standard Spartan Locker 9in Ford Spartan Locker Cross Pin / Extra Short 1971-1977 Mercury Comet Base $32.74 SALE VIEW PRICE IN CART |
IN STOCK - DROPSHIPS YP FSF9-31-LWYukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications.... Yukon Gear Lightweight Steel Spool For Ford 9in w/ 31 Spline Axles 1971-1977 Mercury Comet Base $299.89 SALE VIEW PRICE IN CART |
IN STOCK YDGF8-28-AGThe Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence and performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction.... Yukon Gear Trac-Loc For Ford 8in w/ 28 Spline Axles. Aggressive Design 1971-1977 Mercury Comet Base $899.89 SALE VIEW PRICE IN CART |
IN STOCK YDGF8-28-SMThe Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence and performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction.... Yukon Gear Trac-Loc For Ford 8in Wtih 28 Spline Axles. Street Design 1971-1977 Mercury Comet Base $867.89 SALE CLEARANCE VIEW PRICE IN CART |
IN STOCK - DROPSHIPS YDGF8-31-AGThe Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence and performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction.... Yukon Gear Trac-Loc For Ford 8in Wtih 31 Spline Axles. Aggressive Design 1971-1977 Mercury Comet Base $799.89 SALE VIEW PRICE IN CART |
IN STOCK - DROPSHIPS YDGF8-31-SMThe Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence and performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction.... Yukon Gear Trac-Loc For Ford 8in Wtih 31 Spline Axles. Street Design 1971-1977 Mercury Comet Base $799.89 SALE VIEW PRICE IN CART |
IN STOCK YDGF9-28-AGThe Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence and performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction.... Yukon Gear Trac Loc For Ford 9in Wtih 28 Spline Axles. Aggressive Design 1971-1977 Mercury Comet Base $799.89 SALE VIEW PRICE IN CART |
IN STOCK - DROPSHIPS YDGF9-28-SMThe Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence and performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction.... Yukon Gear Tracloc For Ford 9in Wtih 28 Spline Axles. Street Design 1971-1977 Mercury Comet Base $799.89 SALE VIEW PRICE IN CART |
IN STOCK YDGF9-31-AGThe Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence and performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction.... Yukon Gear Trac Loc For Ford 9in Wtih 31 Spline Axles. Aggressive Design 1971-1977 Mercury Comet Base $795.89 SALE VIEW PRICE IN CART |
IN STOCK - DROPSHIPS YDGF9-31-SMThe Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence and performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction.... Yukon Gear Trac Loc For Ford 9in Wtih 31 Spline Axles. Street Design 1971-1977 Mercury Comet Base $799.89 SALE VIEW PRICE IN CART |